uv led diode 365nm Seoul Viosys CUN6LF1C
Product Details Description
The Seoul Viosys CUN6LF1C is a compact uv led diode 365nm designed for low current UV-A applications. It provides 40mW radiant power at 50mA with a 3.6V forward voltage and 120° viewing angle. Its 3.5 x 2.8 x 0.7mm package makes it suitable for compact PCB designs where a small, flat SMD UV light source is required.
Unlike high-current 365nm UV LEDs used in powerful curing lamps or high-output UV flashlights, this uv led diode 365nm is designed for low current operation. It is a practical choice for small detection equipment, low-power UV indicators, compact photocatalyst modules, miniature inspection tools, fluorescence testing, and controlled material-response applications.
The 365nm wavelength belongs to the UVA / near UV range. It is often selected for fluorescence excitation and detection because it can create a stronger UV reaction with less visible purple interference than many longer UVA wavelengths. This makes the CUN6LF1C useful for counterfeit detection, security inspection, fluorescence photography, crime inspection, oil leak detection, and compact UV torch designs.
For photocatalyst applications, this uv led diode 365nm can be used as a small UV-A light source in prototype modules or compact equipment designs. Final performance depends on the photocatalyst material, exposure distance, optical layout, current setting, surface area, airflow or water contact design, and total UV dose. Product-level testing is recommended before mass production.
For curing and printing applications, the CUN6LF1C is better suited for low-power curing tests, small adhesive response checks, coating evaluation, and compact UV exposure modules where the material is responsive to 365nm. It should not be positioned as a replacement for high-power curing arrays when large-area or fast curing is required.
The 120° wide beam angle supports broad local coverage instead of a tight spot. This is useful for compact inspection fields, small fluorescence panels, insect trap light-source layouts, and low-power UV illumination areas. Engineers can use external optics or housing design to adjust the final light distribution according to the application.
This uv led diode 365nm incorporates a state-of-the-art SMD design. The SMT format supports automated assembly and compact PCB integration. For reliable operation, use proper soldering conditions, suitable current control, safe thermal design, and protection from electrical overstress. Even at 50mA, UV LED performance can be affected by heat, handling, contamination, and improper drive conditions.
The CUN6LF1C is a component-level UV LED, not a complete finished lamp. A final product should include a proper driver circuit, PCB, housing, optical structure, wiring, switch, and safety design. It is also a 365nm UVA LED, not a UVC sterilization diode, and should not be promoted for disinfection or germicidal applications.
Do not look directly at the operating UV LED, and avoid unnecessary skin or eye exposure. Use shielding, protective eyewear, warning labels, and safe working procedures during testing, assembly, and operation.
Specifications
Brand: Seoul Viosys
Model NO.: CUN6LF1C
Wavelength: 365nm
Size: 3.5 x 2.8 x 0.7mm
Voltage: 3.6V
Current: 50mA
Radiant Power: 40mW UV LED diode 365nm
View Angle: 120°
Features and Benefits
Low current operating
SMT type
Lead free product
Compact 3528 SMD package
Wide 120° UV-A emission
Suitable for low-power UV module design
Key Applications
UV Curing
Printing
Coating
Adhesive
Photocatalyst
Counterfeit Detection / Security
UV Torch
Fluorescence Photography
Dental Curing
Crime Inspection
Oil Leak Detection
Insect Trap
FAQ
What is this uv led diode 365nm used for?
This uv led diode 365nm is used for low-power UV curing tests, printing, coating, adhesive response checks, photocatalyst modules, counterfeit detection, security inspection, UV torch design, fluorescence photography, dental curing tests, crime inspection, oil leak detection, and insect trap applications.
Is CUN6LF1C a Seoul Viosys UV LED?
Yes. CUN6LF1C is a Seoul Viosys 365nm UV-A LED in a compact 3528 SMD package.
What wavelength does this diode use?
The CUN6LF1C uses a 365nm wavelength, which belongs to the UVA / near-UV range.
What is the radiant power?
The radiant power is 40mW.
What is the forward voltage?
The forward voltage is 3.6V.
What is the operating current?
The operating current is 50mA, making this diode suitable for low current UV-A applications.
What is the package size?
The package size is 3.5 x 2.8 x 0.7mm.
What is the view angle?
The view angle is 120°, which provides wide UV-A coverage for compact detection, photocatalyst, inspection, and insect trap light-source designs.
Is this diode suitable for UV curing?
Yes, it can be used for low-power UV curing tests, adhesive response checks, and small material evaluation when the material responds to 365nm. It is not a high-power curing LED.
Can it be used for photocatalyst applications?
Yes. The 365nm UV-A output can be used in photocatalyst-related module designs, but final performance should be verified with the selected catalyst material and complete system structure.
Can this diode be used in insect traps?
Yes. The 365nm UV-A output can be used as a light source in insect trap designs, but final attraction performance depends on the full product design and should be tested.
Is this uv led diode 365nm suitable for sterilization?
No. This is a 365nm UVA diode, not a UVC sterilization diode. It should not be used or promoted for disinfection or germicidal applications.
Is it safe to look directly at the LED?
No. Do not look directly at the operating UV LED. Use protective eyewear, shielding, and safe working procedures during testing, assembly, and operation.
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